Java tutorial
/* * ome.testing.Paths * * Copyright 2006 University of Dundee. All rights reserved. * Use is subject to license terms supplied in LICENSE.txt */ package ome.testing; // Java imports import java.util.ArrayList; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; // Third-party libraries import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import ome.conditions.ApiUsageException; // Application-internal dependencies /** * utility class to test CGC paths. Specifying just what should and what should * not be included in a possibly mutually-exclusive (de)classification is quite * tricky, and is encapsulated here. * * copied from OME_2_5 server/test/.../PojosService2Test.java * * @author Josh Moore <a * href="mailto:josh.moore@gmx.de">josh.moore@gmx.de</a> * @version 3.0 <small> (<b>Internal version:</b> $Rev$ $Date$) </small> * @since 2.5 */ public class Paths { private static Log log = LogFactory.getLog(Paths.class); public final static Long EXISTS = new Long(-3); public final static Long WILDCARD = new Long(-2); public final static Long NULL_IMAGE = new Long(-1); public final static Long CG = new Long(0); public final static Long C = new Long(1); public final static Long I = new Long(2); List cg = new ArrayList(), c = new ArrayList(), i = new ArrayList(), removed = new ArrayList(); Long[] singlePath = null; /** * * @param data * List of the form List<Map<String,Long>> where the keys of * the map are "cg", "c", and "i". Data of this form can be * retrieved from {@link OMEData#get(String)} with the string * "CGCPaths.all" TODO */ public Paths(List data) { if (data == null) { throw new ApiUsageException("Data argument to Paths constructor may not be null."); } List cgciPaths = data; for (Iterator it = cgciPaths.iterator(); it.hasNext();) { Map m = (Map) it.next(); Long cg = (Long) m.get("cg"), c = (Long) m.get("c"); Long i = m.get("i") == null ? Paths.NULL_IMAGE : (Long) m.get("i"); add(cg, c, i); if (singlePath == null && i != Paths.NULL_IMAGE) { singlePath = get(new Long(size() - 1)); } } log.info(toString()); if (singlePath == null) { log.warn("No path found with non-null image."); } } @Override public String toString() { StringBuilder sb = new StringBuilder(); for (int t = 0; t < cg.size(); t++) { if (!removed.contains(new Long(t))) { sb.append(t + ":\t"); sb.append(cg.get(t)); sb.append("/"); sb.append(c.get(t)); sb.append("/"); sb.append((NULL_IMAGE.equals(i.get(t)) ? "EMPTY" : i.get(t)) + "\n"); } else { sb.append(t + ":\tREMOVED"); } } return sb.toString(); } // ~ Mutators public void add(Long newCg, Long newC, Long newI) { this.cg.add(newCg); this.c.add(newC); this.i.add(newI); } public boolean remove(Long t) { removed.add(t); return true; } public boolean remove(Long removeCg, Long removeC, Long removeI) { Set n = find(removeCg, removeC, removeI); return n.size() < 1 ? false : removed.addAll(n); } // ~Views public Set find(Long testCg, Long testC, Long testI) { Set result = new HashSet(); for (int n = 0; n < cg.size(); n++) { Long N = new Long(n); if ((cg.get(n).equals(testCg) || testCg == WILDCARD || testCg == EXISTS) && (c.get(n).equals(testC) || testC == WILDCARD || testC == EXISTS) && (i.get(n).equals(testI) || testI == WILDCARD || testI == EXISTS && i.get(n) != NULL_IMAGE) && !removed.contains(N)) { result.add(N); } } return result; } public Long[] get(Long n) { Long[] values = new Long[3]; values[CG.intValue()] = (Long) cg.get(n.intValue()); values[C.intValue()] = (Long) c.get(n.intValue()); values[I.intValue()] = (Long) i.get(n.intValue()); return values; } public int size() { return cg.size() - removed.size(); } public Set uniqueGroups() { return new HashSet(cg); } public Set uniqueCats() { return new HashSet(c); } public Set uniqueImages() { return new HashSet(i); // TODO remove negatives? } public Set unique(Long which, Long testCg, Long testC, Long testI) { if (which.equals(CG) || which.equals(C) || which.equals(I)) { Set retVal = find(testCg, testC, testI); Set collect = new HashSet(); for (Iterator it = retVal.iterator(); it.hasNext();) { Long idx = (Long) it.next(); Long[] values = get(idx); collect.add(values[which.intValue()]); } return collect; } else { throw new ApiUsageException(which + " is an unknown index."); } } public Long[] singlePath() { Long[] tmp = new Long[singlePath.length]; System.arraycopy(singlePath, 0, tmp, 0, tmp.length); return tmp; } }